Which animal cell junction is correctly matched

with its function?
a. adhering; allows rapid flow of substance
b. tight; holds cells together
c. gap; connects cytoplasm of adjoining cells
d. adhering; seals adjoining cells
e. gap; prevents passage of materials


Answer: c

Biology & Microbiology

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Given a log phase bacterial culture with 1 x 106 cells per ml and a generation time of 30 minutes, how long does it take the culture to reach a density of 6.4 × 107 cells per ml?

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The function of the structure labeled 9 is

a. food intake. b. digestion. c. sexual reproduction . d. water discharge. e. asexual reproduction.

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The 7 characters studied by Mendel are examples of single gene traits. They are called this because:

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Which sentence best describes diatoms?

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